Compact Size--8.7 x 6.7 x 3.6 inches,the material of the stove fan is aluminum.
No Batteries or Electricity required--The stove fan uses heat from the stove surface to spin,adjust its speed automatically with the stove surface temperature.
Longer lifetime--There is a Bi-metallic safety device in the base of the stove fan.If the surface temperature rises above around 300℃,the safety device gently elevates the front of the fan to protect the TEG and motor.
Whisper-quiet--The only moving part is the blade assembly.You don't even know the stove fan is there,but you FEEL the WARMTH!
Less Consumption ,More Efficiency--The stove fan will help reduce the fuel consumption and make the room warmer quickly.